rombuilding fixes - stop exporting base.iby, and set the other bits to work with the kernel base.iby
#ifndef Py_INTRCHECK_H
#define Py_INTRCHECK_H
#ifdef __cplusplus
extern "C" {
#endif
PyAPI_FUNC(int) PyOS_InterruptOccurred(void);
PyAPI_FUNC(void) PyOS_InitInterrupts(void);
PyAPI_FUNC(void) PyOS_AfterFork(void);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTRCHECK_H */